Denver: front porch, stairs

(Denver, CO)

Hi,

I live in Denver and am thinking about covering our existing concrete front porch (more like a landing) and walkway with flagstone. Do you still work in Denver? If so, please send your contact info. Will my costs be reduced since I'm assuming the flagstone can be laid on top of the existing concrete?What would be an estimated cost for a flagstone landing (approx 5x10)?